45 acp penetration

Doctadodge · 02-09-2008, 02:52 PM

Can anyone tell me what will stop a .45 230 grain slug?
I built a backstop so that I could shoot on my property(I have 5 acres). I built a wall out of pressure treated landscaping timbers and backed it with a sheet of 1/2" marine plywood. The landscaping timbers are 4-4.5" thick.
I foolishly thought this would stop the slug.
Of 15 rounds fired, 3 went completely through.
I am thinking of mounting a steel plate behind the wood. Is this a good idea, and what thickness should I use?
I know that a 6 ft tall mound of dirt will solve the problem, but I am trying to avoid that.
Any ideas?

buddy_fuentes · 02-10-2008, 07:14 AM

Steel plate will stop the forty-five. Plate is very expensive and you need to angle it down to direct the bullet/fragments toward the ground and not back at you.

I don't know why you don't want dirt, however, if it is a consideration it has some positive points. Cheap, Cheap, Cheap, easy to shape berm, less chance of a ricochet, easy to recover lead for recycle, easy to repair. Did I mention cheap?

I plan on putting my home up for sale in the next thirty days or so and building a home on property where I can build a range. It will be a dirt berm.

Buddy

eodtom · 02-11-2008, 03:47 PM

Have you considered railroad cross ties?

02-09-2008, 02:52 PM	#1
Doctadodge Join Date: Feb 2008 Posts: 2	.45 ACP Penetration Can anyone tell me what will stop a .45 230 grain slug? I built a backstop so that I could shoot on my property(I have 5 acres). I built a wall out of pressure treated landscaping timbers and backed it with a sheet of 1/2" marine plywood. The landscaping timbers are 4-4.5" thick. I foolishly thought this would stop the slug. Of 15 rounds fired, 3 went completely through. I am thinking of mounting a steel plate behind the wood. Is this a good idea, and what thickness should I use? I know that a 6 ft tall mound of dirt will solve the problem, but I am trying to avoid that. Any ideas?

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02-10-2008, 07:14 AM	#2
buddy_fuentes Join Date: Nov 2003 Posts: 571	Steel plate will stop the forty-five. Plate is very expensive and you need to angle it down to direct the bullet/fragments toward the ground and not back at you. I don't know why you don't want dirt, however, if it is a consideration it has some positive points. Cheap, Cheap, Cheap, easy to shape berm, less chance of a ricochet, easy to recover lead for recycle, easy to repair. Did I mention cheap? I plan on putting my home up for sale in the next thirty days or so and building a home on property where I can build a range. It will be a dirt berm. Buddy

02-11-2008, 03:47 PM	#3
eodtom Join Date: Dec 2006 Posts: 63	Have you considered railroad cross ties?